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The grounding system is a critical component in the operation of electrical installations, according to the field of electricity 1,2.Grounding, or earthing, aims to protect and prevent humans from the risk of direct contact with electricity 3.Moreover, the grounding system's purpose is to conduct or transfer electric current to the earth via a grounding rod electrode 4.Static electrical charges, generated by active conductors, create the potential for leakage currents, either from insulation failure or from induction by metal electrical equipment 5, by flowing electric current to the earth at low resistance 6.In Indonesia, grounding systems are regulated by the General Requirements for Electrical Installation of 2000 (PUIL 2000) and the updated 2011 standards, which state that although an ideal resistance is 0 Ω, a maximum grounding value of 5 Ω is considered acceptable 7.
Putra et al. (Tue,) studied this question.